David's Astronomy Pages
Images - Session 579 (2015-01-04)

Objects Session Notes
Bullet Moon
   
Bullet C/2011 J2 LINEAR - Comet
   
Bullet Photometric Monitoring - Variables
  - RX And, CI Cyg, SS Cyg

- BL Lac attempt failed (due to wind shake)
   
Bullet Astrometric Monitoring - Nearby Stars
  - None
- Evening session (1.2 hrs duration).  
- Session operated under semi-automated control, with remote monitoring from indoors computer.  
- Ambient Temperature:  Temperature falling to minimum of 0°C by end of session.
- CCD operation -30°C (at 73% average cooling). 
- Main objectives of the session was to monitor selected variable stars & nearby stars and to take gallery images of a range of deep sky objects.  
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-   

Moon

Moon (99.7% phase)
Image
CCD Image Mosaic (20% size)
3x4 mosaic, 0.11 sec exposure, 2x2 binning, U Filter
2015-01-04 20:22hUT (#579044-55)
12" LX200R  (at f/10.4) + ST-10XME

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C/2011 J2 LINEAR - Comet

C/2011 J2 LINEAR (Passing through starfield in Pegasus )
Sun distance 4.82 AU
Image
CCD Image (100% size, cropped)
5 x 45 sec exposure (average combine), 3x3 binning, C Filter
2015-01-04  20:50hUT (#573179-82)
12" LX200R  (at f/10.4) + ST-10XME
 
C/2011 J2 LINEAR - Earlier Image (2014-12-02)
(Passing through starfield in Pegasus )
Sun distance 4.62 AU
Image
CCD Image (100% size, cropped)
4 x 45 sec exposure (average combine), 3x3 binning, C Filter
2014-12-02 19:47hUT (#573179-82)
12" LX200R  (at f/10.4) + ST-10XME
 
C/2011 J2 LINEAR - Earlier Image (2014-11-30)
(Passing through starfield in Pegasus )
Sun distance 4.61 AU
Image
Annotated CCD Image (100% size, cropped)
3 x 45 sec exposure (average combine), 3x3 binning, C Filter
2014-11-30 20:22hUT (#572086-89)
12" LX200R  (at f/10.4) + ST-10XME

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